Listar Artículos de revista DIEE - IEES Aldizkari artikuluak por autor UPNA "Beruete Díaz, Miguel"
Mostrando ítems 41-60 de 70
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Negative refraction in a prism made of stacked subwavelength hole arrays
Navarro Cía, Miguel
; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (Optical Society of America, 2008)
Artículo / Artikulua 
Metamaterial structures are artificial materials that show unconventional electromagnetic properties such as negative refraction index, perfect lenses, and invisibility. However, losses are one of the big challenges to be ... -
Negative refraction through an extraordinary transmission left-handed metamaterial slab
Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (American Physical Society, 2009)
Artículo / Artikulua
In this work we present numerical and experimental results of negative refraction through a negative index metamaterial based on miniaturized extraordinary transmission stacked subwavelength hole arrays, also known as ... -
Nonbianisotropic complementary split ring resonators as angular selective metasurfaces
Rodríguez Ulibarri, Pablo ; Beruete Díaz, Miguel (Optical Society of America, 2017)
Artículo / Artikulua
In this work, a metasurface with unconventional angular performance and composed by a nonbianisotropic complementary split ring resonator (NB-CSRR) is analyzed numerically and experimentally. A numerical study comparing ... -
On the performance of the zoned fishnet metamaterial lens with positive and negative reference phase
Pacheco-Peña, Víctor ; Minin, Igor V.; Minin, Oleg V.; Beruete Díaz, Miguel (IEEE, 2016)
Artículo / Artikulua
In this letter, several converging fishnet metalenses are designed using both the zoning and reference phase techniques. They are engineered with a focal length of 1.5λ0 at the design frequency of 55 GHz (λ0 = 5.45 mm) at ... -
One-way quasiplanar terahertz absorbers using nonstructured polar dielectric layers
Rodríguez Ulibarri, Pablo ; Serebryannikov, Andriy E.; Beruete Díaz, Miguel (American Physical Society, 2017)
Artículo / Artikulua
A concept of quasiplanar one-way transparent terahertz absorbers made of linear isotropic materials is presented. The resulting structure consists of a homogeneous absorbing layer of polar dielectric, GaAs, a dispersion-free ... -
Phase reversal technique applied to fishnet metalenses
Pacheco-Peña, Víctor ; Minin, Igor V.; Minin, Oleg V.; Beruete Díaz, Miguel (Hindawi, 2018)
Artículo / Artikulua
In this work, the fishnet metamaterial is applied to several converging metalenses by combining the zoning, reference phase, and phase reversal techniques. First, the zoning and reference phase techniques are implemented ... -
Planar holographic metasurfaces for terahertz focusing
Kuznetsov, Sergei A.; Astafev, Mikhail A.; Beruete Díaz, Miguel ; Navarro Cía, Miguel (Springer Nature, 2015)
Artículo / Artikulua
Scientists and laymen alike have always been fascinated by the ability of lenses and mirrors to control light. Now, with the advent of metamaterials and their two-dimensional counterpart metasurfaces, such components can ... -
Planoconcave lens by negative refraction of stacked subwavelength hole arrays
Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (Optical Society of America, 2008)
Artículo / Artikulua
This work presents the design of a planoconcave parabolic negative index metamaterial lens operating at millimeter wavelengths fabricated by using stacked subwavelength hole arrays. A staircase approximation to the ideal ... -
Polarization selection with stacked hole array metamaterial
Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (AIP Publishing, 2008)
Artículo / Artikulua
Polarization rotation or selection appears in materials with optical activity, or those with Faraday effect, or in liquid crystals. In this letter we present a structure, with an analogous response, using stacked ... -
Polarization-tunable negative or positive refraction in self-complementariness-based extraordinary transmission prism
Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Falcone Lanas, Francisco Javier ; Sorolla Ayza, Mario (EMW Publishing, 2010)
Artículo / Artikulua
Here we report a prism made of stacked quasi-selfcomplementary extraordinary transmission surfaces which allows simultaneously left- and right-handed propagation within the V-band for vertical and horizontal polarizations, ... -
Polarized left-handed extraordinary optical transmission of subterahertz waves
Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (Optical Society of America, 2007)
Artículo / Artikulua
In this paper we design and measure a metamaterial polarizing device working in the sub-terahertz range. The polarizer is based on a modified version of our previous miniaturized Stacked Hole Array (SHA) structure, an ... -
Polypropylene-substrate-based SRR- and CSRR-metasurfaces for submillimeter waves
Aznabet, Mariem; Navarro Cía, Miguel ; Kuznetsov, Sergei A.; Gelfand, A. V.; Fedorinina, N. I.; Goncharov, Yu. G.; Beruete Díaz, Miguel ; El Mrabet, O.; Sorolla Ayza, Mario (Optical Society of America, 2008)
Artículo / Artikulua
In this paper it is presented the fabrication of low loss millimeter wave metamaterials based on patterning on polypropylene substrates by conventional contact photolitography. We study numerically and experimentally ... -
Regular and anomalous extraordinary optical transmission at the THz-gap
Kuznetsov, Sergei A.; Navarro Cía, Miguel ; Kubarev, V. V.; Gelfand, A. V.; Beruete Díaz, Miguel ; Campillo, Igor; Sorolla Ayza, Mario (Optical Society of America, 2009)
Artículo / Artikulua
In this paper Anomalous Extraordinary Transmission (ET) is reported for s-polarization of low loss doubly periodic subwavelength hole arrays patterned on polypropylene (PP) substrates by conventional contact photolithography ... -
Response of complementary split ring resonators in composite stratified substrate integrated waveguide
Pérez Escudero, José Manuel ; Jarauta Ayensa, Eduardo ; Falcone Lanas, Francisco Javier ; Beruete Díaz, Miguel (American Institute of Physics, 2017)
Artículo / Artikulua
In this work, the behavior of a Complementary Split Ring Resonator (CSRR) operating within the quasi-static resonance regime and embedded in a composite stratified Substrate Integrated Waveguide (SIW) with two different ... -
A slow light fishnet-like absorber in the millimeter-wave range
Navarro Cía, Miguel ; Torres Landívar, Víctor ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario (EMW Publishing, 2011)
Artículo / Artikulua
A novel route to achieve a narrowband free-space electromagnetic absorber in any range of the spectrum based on stacked subwavelength hole arrays is proposed. The absorption is obtained by means of a slow light mode inside ... -
Soret fishnet metalens antenna
Orazbayev, Bakhtiyar ; Beruete Díaz, Miguel ; Pacheco-Peña, Víctor ; Crespo López, Gonzalo ; Teniente Vallinas, Jorge ; Navarro Cía, Miguel (Springer Nature, 2015)
Artículo / Artikulua
At the expense of frequency narrowing, binary amplitude-only diffractive optical elements emulate refractive lenses without the need of large profiles. Unfortunately, they also present larger Fresnel reflection loss ... -
Strong lateral displacement in polarization anisotropic extraordinary transmission metamaterial
Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Sorolla Ayza, Mario (IOP Publishing Ltd, 2010)
Artículo / Artikulua
In this paper, a deep numerical as well as experimental study of the anisotropy response of extraordinary transmission metamaterials constructed by stacking subwavelength hole arrays is presented. Two-dimensional (2D) ... -
Terahertz carpet cloak based on a ring resonator metasurface
Orazbayev, Bakhtiyar ; Mohammadi Estakhri, Nasim; Beruete Díaz, Miguel ; Alù, Andrea (American Physical Society, 2015)
Artículo / Artikulua
In this work we present the concept and design of an ultrathin (λ/22) terahertz (THz) unidirectional carpet cloak based on the local phase compensation approach enabled by gradient metasurfaces. A triangular surface bump ... -
Terahertz epsilon-near-zero graded-index lens
Torres Landívar, Víctor; Pacheco-Peña, Víctor ; Rodríguez Ulibarri, Pablo ; Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Engheta, Nader (Optical Society of America, 2013)
Artículo / Artikulua
An epsilon-near-zero graded-index converging lens with planar faces is proposed and analyzed. Each perfectly-electric conducting (PEC) waveguide comprising the lens operates slightly above its cut-off frequency and has ... -
Terajets produced by dielectric cuboids
Pacheco-Peña, Víctor ; Beruete Díaz, Miguel ; Minin, Igor V.; Minin, Oleg V. (AIP Publishing, 2014)
Artículo / Artikulua
The capability of generating terajets using three-dimensional (3D) dielectric cuboids working at terahertz (THZ) frequencies (as analogues of nanojets in the infrared band) is introduced and studied numerically. The focusing ...
